Question

why we do not sense any pain when we cut our nail

Answer 1

because there is no blood and no nerves in our nails so we did not feel pain in cutting them

Answer 2

We do not sense any pain when weclip our nails or cut our hair because itis made from dead cells and proteins. It is because the cells of our hair andnail are dead.So we don't feel the painbecause cells or nerves don't send message to brain.